<?php
interface Flush_Cache
{
public function flush($url);
}
class Flush_Cache_HTTP_Header_Impl implements Flush_Cache
{
public function flush($url)
{
if(empty($url))
{
return;
}
$url_component = parse_url($url);
global $g_squid_servers;
foreach ($g_squid_servers as $server)
{
$squid_params = split(':' , $server);
$fsocket = fsockopen($squid_params[0], intval($squid_params[1]), $errono, $errstr, 3);
if(FALSE != $fsocket)
{
$head = "HEAD {$url_component['path']} HTTP/1.1rn";
$head .= "Accept: */*rn";
$head .= "Host: {$url_component['host']}rn";
$head .= "Cache-Control: no-cachern";
$head .= "rn";
echo $head;
fwrite($fsocket , $head);
while (!feof($fsocket))
{
$line = fread($fsocket , 4096);
echo $line;
}
fclose($fsocket);
}
}
}
}
$g_squid_servers = array('192.168.2.88:80');
$flush_cache = new Flush_Cache_HTTP_Header_Impl();
$flush_cache->flush('http://ent.cdqss.com/index.html');
?>
